Start upgrading to driver v0.7.1
BSON fixes for driver v0.7.1
Refactoring, cleanup, and upgrade to 0.7.1
Add class for write concerns
Simplify memory management of MongoWriteConcern
Implement write concern
Implement max_bson_size
Cleanup and fixes for BSON
Compilation fixes
Fixes for 0.7.1
Fix up these type macros
Compilation fixes for 0.7.1
Fix compilation after API change for 0.7.1
Fix copying
Patch tests to work under ARC
More refactoring
Fix banners
More refactoring
Compilation fixes
Compilation fixes